Personal stereo conformity tests

Personal stereo conformity tests

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Credit: PHILIPPE PSAILA/SCIENCE PHOTO LIBRARY

Caption: Personal stereo conformity test. Testing the acoustic power of a personal stereo on a specialised dummy. To avoid hearing damage the acoustic power should not exceed 100 decibels. Photographed at the National Testing Laboratory, France.

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Keywords: acoustic power, cd, check, checking, conformity, discman, dummy, earphones, equipment, france, headphones, national testing laboratory, personal stereo, player, portable, technological, technology, test, testing, volume, walkman

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